If you go to the supermarket and go to the frozen seafood section, most of the seafood is from one of those tropical regions - Indonesia or Thailand.” “Canadians consume seafood, but we get fish from all over the world.

“It will definitely have impact on fish supply globally,” Cheung said. And in Indonesia, a further three million jobs are expected to disappear by mid-century.

The study projects that the country’s fisheries-related workforce - which employs roughly a third of all workers - will hemorrhage over a million jobs by 2050 due to extreme ocean heat events. Low-lying Bangladesh is threatened by rising sea level. In Ecuador, rising ocean temperatures were already expected to lead to a 25 per cent decrease in fisheries revenue marine heat waves are projected to drop the country’s annual catch by another 10 per cent. That’s expected to lead to a significant loss in fisheries revenue in countries where thousands of people rely on the sea for their livelihoods. Overall, it found that 77 per cent of fish and other seafood that’s harvested is expected to decrease in the coming decades. “It will have particular affect on coastal communities, especially First Nations communities that rely on salmon,” said William Cheung, director of the Institute for Oceans and Fisheries at UBC and the study’s lead author.

Researchers are warning that marine heat waves made more extreme and more frequent by climate change could wipe out up to half of the Canada’s Pacific salmon catch by 2050.Ī study, led by a group of researchers at the University of British Columbia and published in the journal Science Advances, modelled the trajectories of 10,088 fish and invertebrates across the planet’s oceans.

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